66484241 has 2 divisors, whose sum is σ = 66484242. Its totient is φ = 66484240.

The previous prime is 66484219. The next prime is 66484259. The reversal of 66484241 is 14248466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 2163841 = 8020^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 66484241 - 2¹⁸ = 66222097 is a prime.

It is not a weakly prime, because it can be changed into another prime (66484261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33242120 + 33242121.

It is an arithmetic number, because the mean of its divisors is an integer number (33242121).

Almost surely, 2^66484241 is an apocalyptic number.

It is an amenable number.

66484241 is a deficient number, since it is larger than the sum of its proper divisors (1).

66484241 is an equidigital number, since it uses as much as digits as its factorization.

66484241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 66484241 is about 8153.7869116135. The cubic root of 66484241 is about 405.1099452559.

The spelling of 66484241 in words is "sixty-six million, four hundred eighty-four thousand, two hundred forty-one".